diff --git a/pkgs/tools/backup/bupstash/default.nix b/pkgs/tools/backup/bupstash/default.nix
index 6197bb9a2b7..d9b9bc8188b 100644
--- a/pkgs/tools/backup/bupstash/default.nix
+++ b/pkgs/tools/backup/bupstash/default.nix
@@ -29,5 +29,6 @@ rustPlatform.buildRustPackage rec {
     license = licenses.mit;
     platforms = platforms.unix;
     maintainers = with maintainers; [ andrewchambers ];
+    mainProgram = "bupstash";
   };
 }
diff --git a/pkgs/tools/misc/fd/default.nix b/pkgs/tools/misc/fd/default.nix
index b1845451491..0f78b752de0 100644
--- a/pkgs/tools/misc/fd/default.nix
+++ b/pkgs/tools/misc/fd/default.nix
@@ -45,5 +45,6 @@ rustPlatform.buildRustPackage rec {
     changelog = "https://github.com/sharkdp/fd/blob/v${version}/CHANGELOG.md";
     license = with licenses; [ asl20 /* or */ mit ];
     maintainers = with maintainers; [ dywedir figsoda globin ma27 zowoq ];
+    mainProgram = "fd";
   };
 }
diff --git a/pkgs/tools/networking/autossh/default.nix b/pkgs/tools/networking/autossh/default.nix
index 9b8e7f712fd..6d73715d832 100644
--- a/pkgs/tools/networking/autossh/default.nix
+++ b/pkgs/tools/networking/autossh/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, openssh}:
+{ lib, stdenv, fetchurl, openssh }:
 
 stdenv.mkDerivation rec {
   pname = "autossh";
@@ -17,13 +17,13 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ openssh ];
 
   installPhase = ''
-      install -D -m755 autossh      $out/bin/autossh                          || return 1
-      install -D -m644 CHANGES      $out/share/doc/autossh/CHANGES            || return 1
-      install -D -m644 README       $out/share/doc/autossh/README             || return 1
-      install -D -m644 autossh.host $out/share/autossh/examples/autossh.host  || return 1
-      install -D -m644 rscreen      $out/share/autossh/examples/rscreen       || return 1
-      install -D -m644 autossh.1    $out/man/man1/autossh.1                   || return 1
-    '';
+    install -D -m755 autossh      $out/bin/autossh                          || return 1
+    install -D -m644 CHANGES      $out/share/doc/autossh/CHANGES            || return 1
+    install -D -m644 README       $out/share/doc/autossh/README             || return 1
+    install -D -m644 autossh.host $out/share/autossh/examples/autossh.host  || return 1
+    install -D -m644 rscreen      $out/share/autossh/examples/rscreen       || return 1
+    install -D -m644 autossh.1    $out/man/man1/autossh.1                   || return 1
+  '';
 
   meta = with lib; {
     homepage = "https://www.harding.motd.ca/autossh/";
@@ -31,5 +31,6 @@ stdenv.mkDerivation rec {
     license = licenses.bsd1;
     platforms = platforms.unix;
     maintainers = with maintainers; [ pSub ];
+    mainProgram = "autossh";
   };
 }
diff --git a/pkgs/tools/security/ssh-to-age/default.nix b/pkgs/tools/security/ssh-to-age/default.nix
index 93cbedf367f..e348b081bd1 100644
--- a/pkgs/tools/security/ssh-to-age/default.nix
+++ b/pkgs/tools/security/ssh-to-age/default.nix
@@ -26,5 +26,6 @@ buildGoModule rec {
     homepage = "https://github.com/Mic92/ssh-to-age";
     license = licenses.mit;
     maintainers = with maintainers; [ mic92 ];
+    mainProgram = "ssh-to-age";
   };
 }